Mc Manus Field Weather Forecast

    • 61
    • 82

    Mostly Sunny

    • 65
    • 82

    Mostly Sunny

    • 62
    • 82

    Mostly Cloudy

    • 59
    • 73

    Chance Rain Showers

    • 59
    • 76

    Slight Chance Thunderstorms

    • 62
    • 79

    Mostly Cloudy

    • 56
    • 79

    Chance Rain Showers

Today 27 Oct Grayson

Sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 27 Oct Grayson

Clear. Lows around 60. South Winds around 5 Mph.

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  • Temperature Real-Time

Mc Manus Field Temperature Statistics

October Temperature

Sherman/Denison, Grayson County Airport (20.5 miles)

  • Lowest 18 October, 2026

    44.2 °F

  • Average October

    68.1 °F

  • Highest 13 October, 2026

    91.4 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (20.5 miles)

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    77.3 °F
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